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| author | Xinliang David Li <davidxl@google.com> | 2016-05-24 18:47:38 +0000 |
|---|---|---|
| committer | Xinliang David Li <davidxl@google.com> | 2016-05-24 18:47:38 +0000 |
| commit | 0f324db0db5d57cebe1b16701b8a6f4e1fc77562 (patch) | |
| tree | d4c3a76fde0a53de0db84ee339f9fd83f6eda80f /lib | |
| parent | 82332cd02ef0ae375797d96f4f2646c36d8979ed (diff) | |
[profile] Fix runtime hook linkage bug for COFF
Patch by: Johan Engelen
the user hook has linkonceODR linkage and it needs to be
in comdatAny group.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270596 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Transforms/Instrumentation/InstrProfiling.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Transforms/Instrumentation/InstrProfiling.cpp b/lib/Transforms/Instrumentation/InstrProfiling.cpp index 97e8bd1ae11..120ed18b06e 100644 --- a/lib/Transforms/Instrumentation/InstrProfiling.cpp +++ b/lib/Transforms/Instrumentation/InstrProfiling.cpp @@ -550,6 +550,8 @@ void InstrProfiling::emitRuntimeHook() { User->addFnAttr(Attribute::NoInline); if (Options.NoRedZone) User->addFnAttr(Attribute::NoRedZone); User->setVisibility(GlobalValue::HiddenVisibility); + if (Triple(M->getTargetTriple()).isOSBinFormatCOFF()) + User->setComdat(M->getOrInsertComdat(User->getName())); IRBuilder<> IRB(BasicBlock::Create(M->getContext(), "", User)); auto *Load = IRB.CreateLoad(Var); |